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comparison spandsp-0.0.6pre17/tests/t38_terminal_tests.c @ 4:26cd8f1ef0b1

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import spandsp-0.0.6pre17
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 15:50:58 +0200
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3:c6c5a16ce2f2 4:26cd8f1ef0b1
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * t38_terminal_tests.c - Tests for the T.38 FoIP terminal module.
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2005, 2006 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2, as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * $Id: t38_terminal_tests.c,v 1.67.4.1 2009/12/19 09:47:57 steveu Exp $
26 */
27
28 /*! \file */
29
30 /*! \page t38_terminal_tests_page T.38 termination tests
31 \section t38_terminal_tests_page_sec_1 What does it do?
32 These tests exercise the path
33
34 T.38 termination <-> T.38 termination
35 */
36
37 //#define WITH_SPANDSP_INTERNALS
38
39 #if defined(HAVE_CONFIG_H)
40 #include <config.h>
41 #endif
42
43 #if defined(HAVE_FL_FL_H) && defined(HAVE_FL_FL_CARTESIAN_H) && defined(HAVE_FL_FL_AUDIO_METER_H)
44 #define ENABLE_GUI
45 #endif
46
47 #include <stdlib.h>
48 #include <stdio.h>
49 #include <fcntl.h>
50 #include <string.h>
51 #include <assert.h>
52 #include <errno.h>
53 #if !defined(_WIN32)
54 #include <unistd.h>
55 #endif
56
57 //#if defined(WITH_SPANDSP_INTERNALS)
58 #define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
59 //#endif
60
61 #include "spandsp.h"
62 #include "spandsp-sim.h"
63
64 #if defined(ENABLE_GUI)
65 #include "media_monitor.h"
66 #endif
67 #include "fax_utils.h"
68
69 #define SAMPLES_PER_CHUNK 160
70
71 #define INPUT_FILE_NAME "../test-data/itu/fax/itutests.tif"
72 #define OUTPUT_FILE_NAME "t38.tif"
73
74 t38_terminal_state_t *t38_state_a;
75 t38_terminal_state_t *t38_state_b;
76
77 g1050_state_t *path_a_to_b;
78 g1050_state_t *path_b_to_a;
79
80 double when = 0.0;
81
82 int done[2] = {FALSE, FALSE};
83 int succeeded[2] = {FALSE, FALSE};
84
85 int simulate_incrementing_repeats = FALSE;
86
87 static int phase_b_handler(t30_state_t *s, void *user_data, int result)
88 {
89 int i;
90 char tag[20];
91
92 i = (int) (intptr_t) user_data;
93 snprintf(tag, sizeof(tag), "%c: Phase B", i);
94 printf("%c: Phase B handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result));
95 log_rx_parameters(s, tag);
96 return T30_ERR_OK;
97 }
98 /*- End of function --------------------------------------------------------*/
99
100 static int phase_d_handler(t30_state_t *s, void *user_data, int result)
101 {
102 int i;
103 char tag[20];
104
105 i = (int) (intptr_t) user_data;
106 snprintf(tag, sizeof(tag), "%c: Phase D", i);
107 printf("%c: Phase D handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result));
108 log_transfer_statistics(s, tag);
109 log_tx_parameters(s, tag);
110 log_rx_parameters(s, tag);
111 return T30_ERR_OK;
112 }
113 /*- End of function --------------------------------------------------------*/
114
115 static void phase_e_handler(t30_state_t *s, void *user_data, int result)
116 {
117 int i;
118 t30_stats_t t;
119 char tag[20];
120
121 i = (int) (intptr_t) user_data;
122 snprintf(tag, sizeof(tag), "%c: Phase E", i);
123 printf("%c: Phase E handler on channel %c - (%d) %s\n", i, i, result, t30_completion_code_to_str(result));
124 log_transfer_statistics(s, tag);
125 log_tx_parameters(s, tag);
126 log_rx_parameters(s, tag);
127 t30_get_transfer_statistics(s, &t);
128 succeeded[i - 'A'] = (result == T30_ERR_OK) && (t.pages_tx == 12 || t.pages_rx == 12);
129 //done[i - 'A'] = TRUE;
130 }
131 /*- End of function --------------------------------------------------------*/
132
133 static int tx_packet_handler_a(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count)
134 {
135 t38_terminal_state_t *t;
136 int i;
137 static int subst_seq = 0;
138
139 /* This routine queues messages between two instances of T.38 processing */
140 t = (t38_terminal_state_t *) user_data;
141 if (simulate_incrementing_repeats)
142 {
143 for (i = 0; i < count; i++)
144 {
145 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d\n", subst_seq, len);
146
147 if (g1050_put(path_a_to_b, buf, len, subst_seq, when) < 0)
148 printf("Lost packet %d\n", subst_seq);
149 subst_seq = (subst_seq + 1) & 0xFFFF;
150 }
151 }
152 else
153 {
154 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count);
155
156 for (i = 0; i < count; i++)
157 {
158 if (g1050_put(path_a_to_b, buf, len, s->tx_seq_no, when) < 0)
159 printf("Lost packet %d\n", s->tx_seq_no);
160 }
161 }
162 return 0;
163 }
164 /*- End of function --------------------------------------------------------*/
165
166 static int tx_packet_handler_b(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count)
167 {
168 t38_terminal_state_t *t;
169 int i;
170 static int subst_seq = 0;
171
172 /* This routine queues messages between two instances of T.38 processing */
173 t = (t38_terminal_state_t *) user_data;
174 if (simulate_incrementing_repeats)
175 {
176 for (i = 0; i < count; i++)
177 {
178 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d\n", subst_seq, len);
179
180 g1050_put(path_b_to_a, buf, len, subst_seq, when);
181 subst_seq = (subst_seq + 1) & 0xFFFF;
182 }
183 }
184 else
185 {
186 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count);
187
188 for (i = 0; i < count; i++)
189 g1050_put(path_b_to_a, buf, len, s->tx_seq_no, when);
190 }
191 return 0;
192 }
193 /*- End of function --------------------------------------------------------*/
194
195 int main(int argc, char *argv[])
196 {
197 int msg_len;
198 uint8_t msg[1024];
199 int t38_version;
200 int seq_no;
201 int use_ecm;
202 int without_pacing;
203 int use_tep;
204 int model_no;
205 int speed_pattern_no;
206 const char *input_file_name;
207 double tx_when;
208 double rx_when;
209 int use_gui;
210 int supported_modems;
211 int opt;
212 t30_state_t *t30;
213 t38_core_state_t *t38_core;
214 logging_state_t *logging;
215
216 t38_version = 1;
217 without_pacing = FALSE;
218 use_tep = FALSE;
219 input_file_name = INPUT_FILE_NAME;
220 use_ecm = FALSE;
221 simulate_incrementing_repeats = FALSE;
222 model_no = 0;
223 speed_pattern_no = 1;
224 use_gui = FALSE;
225 supported_modems = T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17;
226 while ((opt = getopt(argc, argv, "efgi:Im:M:ps:tv:")) != -1)
227 {
228 switch (opt)
229 {
230 case 'e':
231 use_ecm = TRUE;
232 break;
233 case 'g':
234 #if defined(ENABLE_GUI)
235 use_gui = TRUE;
236 #else
237 fprintf(stderr, "Graphical monitoring not available\n");
238 exit(2);
239 #endif
240 break;
241 case 'i':
242 input_file_name = optarg;
243 break;
244 case 'I':
245 simulate_incrementing_repeats = TRUE;
246 break;
247 case 'm':
248 supported_modems = atoi(optarg);
249 break;
250 case 'M':
251 model_no = optarg[0] - 'A' + 1;
252 break;
253 case 'p':
254 without_pacing = TRUE;
255 break;
256 case 's':
257 speed_pattern_no = atoi(optarg);
258 break;
259 case 't':
260 use_tep = TRUE;
261 break;
262 case 'v':
263 t38_version = atoi(optarg);
264 break;
265 default:
266 //usage();
267 exit(2);
268 break;
269 }
270 }
271
272 printf("Using T.38 version %d\n", t38_version);
273 if (use_ecm)
274 printf("Using ECM\n");
275
276 srand48(0x1234567);
277 if ((path_a_to_b = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
278 {
279 fprintf(stderr, "Failed to start IP network path model\n");
280 exit(2);
281 }
282 if ((path_b_to_a = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
283 {
284 fprintf(stderr, "Failed to start IP network path model\n");
285 exit(2);
286 }
287
288 if ((t38_state_a = t38_terminal_init(NULL, TRUE, tx_packet_handler_a, t38_state_b)) == NULL)
289 {
290 fprintf(stderr, "Cannot start the T.38 channel\n");
291 exit(2);
292 }
293 t30 = t38_terminal_get_t30_state(t38_state_a);
294 t38_core = t38_terminal_get_t38_core_state(t38_state_a);
295 t38_set_t38_version(t38_core, t38_version);
296 t38_terminal_set_config(t38_state_a, without_pacing);
297 t38_terminal_set_tep_mode(t38_state_a, use_tep);
298
299 logging = t38_terminal_get_logging_state(t38_state_a);
300 span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
301 span_log_set_tag(logging, "T.38-A");
302
303 logging = t38_core_get_logging_state(t38_core);
304 span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
305 span_log_set_tag(logging, "T.38-A");
306
307 logging = t30_get_logging_state(t30);
308 span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
309 span_log_set_tag(logging, "T.38-A");
310
311 t30_set_supported_modems(t30, supported_modems);
312 t30_set_tx_ident(t30, "11111111");
313 t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
314 t30_set_tx_file(t30, input_file_name, -1, -1);
315 t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'A');
316 t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'A');
317 t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'A');
318 t30_set_ecm_capability(t30, use_ecm);
319 if (use_ecm)
320 t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
321
322 if ((t38_state_b = t38_terminal_init(NULL, FALSE, tx_packet_handler_b, t38_state_a)) == NULL)
323 {
324 fprintf(stderr, "Cannot start the T.38 channel\n");
325 exit(2);
326 }
327 t30 = t38_terminal_get_t30_state(t38_state_b);
328 t38_core = t38_terminal_get_t38_core_state(t38_state_b);
329 t38_set_t38_version(t38_core, t38_version);
330 t38_terminal_set_config(t38_state_b, without_pacing);
331 t38_terminal_set_tep_mode(t38_state_b, use_tep);
332
333 logging = t38_terminal_get_logging_state(t38_state_b);
334 span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
335 span_log_set_tag(logging, "T.38-B");
336
337 logging = t38_core_get_logging_state(t38_core);
338 span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
339 span_log_set_tag(logging, "T.38-B");
340
341 logging = t30_get_logging_state(t30);
342 span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
343 span_log_set_tag(logging, "T.38-B");
344
345 t30_set_supported_modems(t30, supported_modems);
346 t30_set_tx_ident(t30, "22222222");
347 t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
348 t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
349 t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'B');
350 t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'B');
351 t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'B');
352 t30_set_ecm_capability(t30, use_ecm);
353 if (use_ecm)
354 t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
355
356 #if defined(ENABLE_GUI)
357 if (use_gui)
358 start_media_monitor();
359 #endif
360 for (;;)
361 {
362 logging = t38_terminal_get_logging_state(t38_state_a);
363 span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
364 t38_core = t38_terminal_get_t38_core_state(t38_state_a);
365 logging = t38_core_get_logging_state(t38_core);
366 span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
367 t30 = t38_terminal_get_t30_state(t38_state_a);
368 logging = t30_get_logging_state(t30);
369 span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
370 logging = t38_terminal_get_logging_state(t38_state_b);
371 span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
372 t38_core = t38_terminal_get_t38_core_state(t38_state_b);
373 logging = t38_core_get_logging_state(t38_core);
374 span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
375 t30 = t38_terminal_get_t30_state(t38_state_b);
376 logging = t30_get_logging_state(t30);
377 span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
378
379 done[0] = t38_terminal_send_timeout(t38_state_a, SAMPLES_PER_CHUNK);
380 done[1] = t38_terminal_send_timeout(t38_state_b, SAMPLES_PER_CHUNK);
381
382 when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE;
383
384 while ((msg_len = g1050_get(path_a_to_b, msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0)
385 {
386 #if defined(ENABLE_GUI)
387 if (use_gui)
388 media_monitor_rx(seq_no, tx_when, rx_when);
389 #endif
390 t38_core = t38_terminal_get_t38_core_state(t38_state_b);
391 t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
392 }
393 while ((msg_len = g1050_get(path_b_to_a, msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0)
394 {
395 #if defined(ENABLE_GUI)
396 if (use_gui)
397 media_monitor_rx(seq_no, tx_when, rx_when);
398 #endif
399 t38_core = t38_terminal_get_t38_core_state(t38_state_a);
400 t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
401 }
402 if (done[0] && done[1])
403 break;
404 #if defined(ENABLE_GUI)
405 if (use_gui)
406 media_monitor_update_display();
407 #endif
408 }
409 t38_terminal_release(t38_state_a);
410 t38_terminal_release(t38_state_b);
411 if (!succeeded[0] || !succeeded[1])
412 {
413 printf("Tests failed\n");
414 exit(2);
415 }
416 printf("Tests passed\n");
417 return 0;
418 }
419 /*- End of function --------------------------------------------------------*/
420 /*- End of file ------------------------------------------------------------*/

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